Skip to main content
  1. Family: Lentibulariaceae Rich.
    1. Genus: Utricularia L.
      1. Utricularia benjaminiana Oliv.

        This species is accepted, and its native range is Tropical & S. Africa, Madagascar, Central America to Trinidad and N. Brazil.

    [FWTA]

    Lentibulariaceae, P. Taylor. Flora of West Tropical Africa 2. 1963

    Habit
    Aquatic half submerged
    Inflorescences
    Emergent slender racemes of mauve and white flowers supported by a whorl of slender fusiform floats.
    [FTEA]

    Lentibulariaceae, P. Taylor. Flora of Tropical East Africa. 1973

    Habit
    Aquatic herb.
    Stolons
    Stolons filiform, up to 50 cm. long or more, flexuous, ± densely villous; internodes 1–10 cm.; rhizoids absent.
    Leaves
    Leaves with 1 or 2 primary segments 1.5–4 cm. long, ovate in outline, pinnately divided; rhachis filiform throughout or ± inflated, especially in the lower half, villous; pinnae alternate, the lowermost up to 1.5 mm. from the base of the rhachis, repeatedly dichotomously forked, ultimate segments capillary, sparsely setulose.
    Floats
    Floats terminal on short lateral slightly inflated villous branches, verticillate, 4(–5–6)–9, fusiform or narrowly cylindrical to ovoid or ellipsoid, 0.3–2.5 cm. long, bearing in the distal half a number of leaf-segments.
    Traps
    Traps usually not numerous and often absent from some leaves, inserted in the angles between the leaf-rhachis and pinnae and between subsequent dichotomies of the leaves, ovoid, long-stalked, villous, 1–3 mm. long; mouth lateral; upper lip with 2 simple or ± branched hairs; lower lip naked or with 1 or more shorter simple hairs.
    Inflorescences
    Inflorescence erect, 3–25 cm. high, terminal on the short stolon-branches, arising from the centre of the whorl of floats; flowers 2–10, the uppermost congested, those below ± distant; cleistogamous flowers often present at the scape-base among the floats; scape filiform, straight or flexuous, smooth and glabrous; scales absent; bracts basifixed, deltoid or ovate, ±1.5 mm. long; bracteoles absent; pedicels capillary, erect, 2–3 mm. long at anthesis, up to 10 mm. long in fruit.
    Calyx
    Calyx-lobes subequal, orbicular, membranous, ± 1 mm. long at anthesis, scarcely accrescent.
    Corolla
    Corolla mauve or pale purple with a yellow blotch on the palate or wholly white, 10–15 mm. long; upper lip oblong, 3–4 times as long as the upper calyx-lobe, ± auriculate at the base, deeply divided into 2 parallel lobes; lower lip reniform, 7–10 mm. wide, apex ± emarginate; palate with a narrow raised ± crenulate rim; spur cylindrical or botuliform, 2–3 times as long as the lower lip, 8–10 mm. long, 2.5–3.5 mm. thick; corolla of cleistogamous flowers obsolete or nearly so.
    Stamens
    Filaments filiform; anther-thecae confluent.
    Pistil
    Ovary ovoid; ovules 3–20; style short but distinct; stigma lower lip ± quadrate, upper minute, deltoid or ± obsolete.
    Fruits
    Capsule ellipsoid, 2.5–3.5 mm. long, circumscissile.
    Seeds
    Seeds few, sometimes only 2, lenticular with a narrow irregular wing, ± 1 mm. in total diameter; testa-cells indistinct, elongated.
    Habitat
    Still and slow flowing water in pools, marshes and rivers; sea-level to 1200 m.
    Distribution
    throughout tropical Africa from Senegal to South West Africa and South Africa (Natal), Madagascar and E. tropical S. America P T1 T6 U4 Z
    [FZ]

    Lentibulariaceae, P. Taylor. Flora Zambesiaca 8:3. 1988

    Habit
    Aquatic herb.
    Stolons
    Stolons filiform, up to 50 cm. long or more, flexuous, more or less densely villous; internodes 1–10 cm.; rhizoids absent.
    Leaves
    Leaves with 1 or 2 primary segments 1.5–4 cm. long, ovate in outline, pinnately divided; rhachis filiform throughout or more or less inflated, especially in the lower half, villous; pinnae alternate, the lowermost up to 1.5 mm. from the base of the rhachis, repeatedly dichotomously forked, ultimate segments capillary, sparsely setulose.
    Floats
    Floats terminal on short lateral slightly inflated villous branches, verticillate, 4(5–6)–9, fusiform or narrowly cylindrical to ovoid or ellipsoid, 0.3–2.5 cm. long, bearing in the distal half a number of leaf-segments.
    Traps
    Traps usually not numerous and often absent from some leaves, inserted in the angles between the leaf-rhachis and pinnae and between subsequent dichotomies of the leaves, ovoid, long-stalked, villous, 1–3 mm. long; mouth lateral, with 2 dorsal simple or more or less branched hairs and sometimes with one or more ventral shorter simple hairs.
    Inflorescences
    Inflorescence erect, 3–25 cm. high, terminal on the short stolon-branches, arising from the centre of the whorl of floats; flowers 2–10, the uppermost congested, those below more or less distant; cleistogamous flowers often present at the peduncle base among the floats; peduncle filiform, straight or flexuous, smooth and glabrous; scales absent; bracts basifixed, deltoid or ovate, more or less 1.5 mm. long; bracteoles absent; pedicels capillary, erect, 2–3 mm. long at anthesis, up to 10 mm. long in fruit.
    Calyx
    Calyx lobes subequal, circular, membranous, more or less 1 mm. long at anthesis, scarcely accrescent.
    Corolla
    Corolla mauve or pale puple with a yellow blotch on the palate or wholly white, 10–15 mm. long; superior lip oblong, 3–4 times as long as the upper calyx lobe, more or less auriculate at the base, deeply divided into 2 parallel lobes; inferior lip reniform, 7–10 mm. wide, with apex more or less emarginate; palate with a narrow raised more or less crenulate rim; spur cylindrical or botuliform, 2–3 times as long as the inferior lip, 8–10 mm. long, 2.5–3.5 mm. thick; corolla of cleistogamous flowers obsolete or nearly so.
    Stamens
    Filaments filiform; anther-thecae confluent.
    Pistil
    Ovary ovoid; ovules 3–20; style short but distinct; stigma inferior lip more or less quadrate, superior minute, deltoid or more or less obsolete.
    Fruits
    Capsule ellipsoid, 2.5–3.5 mm. long, circumscissile.
    Seeds
    Seeds few, sometimes only 2, lenticular with a narrow irregular wing, more or less 1 mm. in total diam.; testa-cells indistinct, elongated.
    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 90 - 120 m.; Guayana y Serranía de La Macarena, Orinoquia.
    Habit
    Hierba, acuática
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Angola, Botswana, Brazil North, Burundi, Cameroon, Colombia, Congo, French Guiana, Gabon, Ghana, Guinea, Guinea-Bissau, Guyana, Honduras, Ivory Coast, KwaZulu-Natal, Liberia, Madagascar, Mali, Namibia, Nicaragua, Nigeria, Senegal, Sierra Leone, Suriname, Tanzania, Trinidad-Tobago, Uganda, Venezuela, Zambia, Zaïre

    Synonyms

    Common Names

    English
    Benjamin's bladderwort

    Other Data

    Utricularia benjaminiana Oliv. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jun 14, 1961 Young, R.G.N. [1421], Angola K000430327
    Feb 15, 1951 Baum, H. [656], Angola K000430326 Unknown type material
    Jan 1, 1910 Hostmann [85], Suriname K000534005
    Sierra Leone 6316.000
    Richards, H.M. [16181], Zambia 4813.000
    Richards, H.M. [15939], Zambia 6315.000
    Meikle, R.D. [544], Nigeria 4814.000
    Meikle, R.D. [543], Nigeria 4815.000
    Onochie [FHI 34315], Nigeria 3536.000
    Onochie [34314], Nigeria 4817.000
    Fanshawe [1125], Zambia 3471.000
    cle Winter, B. [5027], Namibia 1142.000
    Jones [358], Sierra Leone 6310.000
    Mumbala, R. [4001], Angola 6311.000
    Baldwin, J.T., Liberia 3472.000
    Baldwin, J.T., Liberia 6313.000
    Harley [2127], Liberia 6309.000
    Harley [2128], Liberia 6312.000
    Deighton [5973], Sierra Leone 4812.000
    Harrison, J. [1308], Guyana 27279.000
    Taylor, P.G. [13009], Trinidad & Tobago 33450.000
    Raynal, A. [20131], French Guiana 40127.000
    Sturdy, R.G. [3], Uganda 3800.000
    Matton, J. [2], Congo 4816.000
    Burbidge, F.W., Sierra Leone 6314.000
    Bamps, P. [4164], Angola K001009213
    Hostmann [85], Suriname K000534006 Unknown type material
    Pocock, Miss M.A. [925], Angola K001009214

    Bibliography

    First published in J. Proc. Linn. Soc., Bot. 4: 178 (1859)

    Accepted by

    • Bernal, R., Gradstein, R.S. & Celis, M. (eds.) (2016). Catálogo de plantas y líquenes de Colombia 1-2: 1-3068. Libro impreso.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • Catarino, L., Martins, E.S., Diniz, M.A. & Pinto-Basto, M.F. (2006). Check-list da flora vascular do parque natural das Lagos de Cufada (Guiné-Bissau) Garcia de Orta, Série de Botânica 17: 97-141.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Taylor, P. (1989). The Genus Utricularia: a taxonomic monograph: 1-724. Her Majesty's stationery office, London.
    • Launert, E. (ed.) (1988). Flora Zambesiaca 8(3): 1-118. Royal Botanic Gardens, Kew.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Berhaut, J. (1975). Flore illustrée du Sénégal 4: 1-625. Gouvernement du Sénégal, Ministère du développement rural direction des eaux et forêta, Dakar.

    Literature

    Flora of West Tropical Africa

    • Kam in Engl. Bot. Jahrb. 33: 109.
    • in J. Linn. Soc. 4: 176 (1860)

    Kew Backbone Distributions

    • Bernal, R., Gradstein, R.S. & Celis, M. (eds.) (2016). Catálogo de plantas y líquenes de Colombia 1-2: 1-3068. Libro impreso.
    • Lisowski, S. (2009). Flore (Angiospermes) de la République de Guinée Scripta Botanica Belgica 41: 1-517.
    • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • Catarino, L., Martins, E.S., Diniz, M.A. & Pinto-Basto, M.F. (2006). Check-list da flora vascular do parque natural das Lagos de Cufada (Guiné-Bissau) Garcia de Orta, Série de Botânica 17: 97-141.
    • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
    • Taylor, P. (1989). The Genus Utricularia: a taxonomic monograph: 1-724. Her Majesty's stationery office, London.
    • Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux.
    • Berhaut, J. (1975). Flore illustrée du Sénégal 4: 1-625. Gouvernement du Sénégal, Ministère du développement rural direction des eaux et forêta, Dakar.

    Flora of Tropical East Africa

    • P. Taylor in Fl. Afr. Centr., Lentib.: 36, t. 10 (1972).
    • P. Taylor in Kew Bulletin 18: 179 (1964)
    • P. Taylor in Flora of West Tropical Africa, ed. 2, 2: 380 (1963)
    • Oliv. in Journal of the Linnean Society of London, Botany 4: 176 (1860).

    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of West Tropical Africa
    Flora of West Tropical Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Plants and People Africa
    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/